JPS54130710A - Moving vane fixing device of axial-flow turbine - Google Patents
Moving vane fixing device of axial-flow turbineInfo
- Publication number
- JPS54130710A JPS54130710A JP3673678A JP3673678A JPS54130710A JP S54130710 A JPS54130710 A JP S54130710A JP 3673678 A JP3673678 A JP 3673678A JP 3673678 A JP3673678 A JP 3673678A JP S54130710 A JPS54130710 A JP S54130710A
- Authority
- JP
- Japan
- Prior art keywords
- stoppers
- portions
- moving
- grooves
- moving vane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
PURPOSE: To fix moving vanes without generating the concentration of stress, by each mounting grooves forming holes for instaling stoppers at locations where the root portions of a moving vane lastly studded and a neighboring moving vane mutually face, and by inserting stoppers into the grooves.
CONSTITUTION: Grooves 16, 16' with the same shapes for forming holes for installing stoppers are each mounted at locations where a root portion 3 of a moving vane 3' lastly studded and the root portions of moving vanes 3, 3 next to the moving 3' mutually face. The grooves 16, 16' are formed in semicircular large diameter portins 16a and small diameter portions 16a and small diameter portions 16b extending up to the outsides of the root portions 3b. Stoppers 17 are shaped by large diameter portions 17a and small diameter portions 17b, which sections are the same circles as the installing holes, and divided into two portions at the centers. Thus, the one sides of the stoppers 17 are installed to the grooves 16, 16' of the moving vanes 3, 3', the moving vane 3' is studded to a groove of an outer circumference of a rotor from the axial direction, the stoppers 17 are fixed in the axial direction by turning the stoppers at an angle of 90° and the small diameter portions 17b are caulked.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3673678A JPS5857605B2 (en) | 1978-03-31 | 1978-03-31 | Axial flow turbine rotor blade fixing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3673678A JPS5857605B2 (en) | 1978-03-31 | 1978-03-31 | Axial flow turbine rotor blade fixing device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54130710A true JPS54130710A (en) | 1979-10-11 |
JPS5857605B2 JPS5857605B2 (en) | 1983-12-21 |
Family
ID=12478010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3673678A Expired JPS5857605B2 (en) | 1978-03-31 | 1978-03-31 | Axial flow turbine rotor blade fixing device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5857605B2 (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4676723A (en) * | 1986-03-26 | 1987-06-30 | Westinghouse Electric Corp. | Locking system for a turbine side entry blade |
US4767247A (en) * | 1987-02-24 | 1988-08-30 | Westinghouse Electric Corp. | Apparatus and method for preventing relative blade motion in steam turbine |
US4915587A (en) * | 1988-10-24 | 1990-04-10 | Westinghouse Electric Corp. | Apparatus for locking side entry blades into a rotor |
US5720596A (en) * | 1997-01-03 | 1998-02-24 | Westinghouse Electric Corporation | Apparatus and method for locking blades into a rotor |
JP2013217252A (en) * | 2012-04-06 | 2013-10-24 | Mitsubishi Heavy Ind Ltd | Rotor, axial flow fluid machine provided with the same, blade attachment of rotor, and method of manufacturing rotor |
JP2017048791A (en) * | 2015-09-03 | 2017-03-09 | ゼネラル・エレクトリック・カンパニイ | Damper pin for damping adjacent turbine blades |
JP2018155240A (en) * | 2017-03-16 | 2018-10-04 | ドゥサン ヘヴィー インダストリーズ アンド コンストラクション カンパニー リミテッド | Axial direction retainer for bucket, bucket assembly and gas turbine including the same |
JP2021124105A (en) * | 2020-02-10 | 2021-08-30 | 三菱パワー株式会社 | Turbine wheel and fixing method of wire holding pin of turbine wheel |
-
1978
- 1978-03-31 JP JP3673678A patent/JPS5857605B2/en not_active Expired
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4676723A (en) * | 1986-03-26 | 1987-06-30 | Westinghouse Electric Corp. | Locking system for a turbine side entry blade |
US4767247A (en) * | 1987-02-24 | 1988-08-30 | Westinghouse Electric Corp. | Apparatus and method for preventing relative blade motion in steam turbine |
US4915587A (en) * | 1988-10-24 | 1990-04-10 | Westinghouse Electric Corp. | Apparatus for locking side entry blades into a rotor |
JPH02153203A (en) * | 1988-10-24 | 1990-06-12 | Westinghouse Electric Corp <We> | Rotor |
US5720596A (en) * | 1997-01-03 | 1998-02-24 | Westinghouse Electric Corporation | Apparatus and method for locking blades into a rotor |
JP2013217252A (en) * | 2012-04-06 | 2013-10-24 | Mitsubishi Heavy Ind Ltd | Rotor, axial flow fluid machine provided with the same, blade attachment of rotor, and method of manufacturing rotor |
JP2017048791A (en) * | 2015-09-03 | 2017-03-09 | ゼネラル・エレクトリック・カンパニイ | Damper pin for damping adjacent turbine blades |
JP2018155240A (en) * | 2017-03-16 | 2018-10-04 | ドゥサン ヘヴィー インダストリーズ アンド コンストラクション カンパニー リミテッド | Axial direction retainer for bucket, bucket assembly and gas turbine including the same |
JP2021124105A (en) * | 2020-02-10 | 2021-08-30 | 三菱パワー株式会社 | Turbine wheel and fixing method of wire holding pin of turbine wheel |
Also Published As
Publication number | Publication date |
---|---|
JPS5857605B2 (en) | 1983-12-21 |
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